BACKGROUND & AIMS
Expression of the mucin-associated carbohydrate antigen sialyl-Tn (STn) and DNA aneuploidy has each been shown to correlate with malignant transformation in patients with sporadic… (More)

RNase PH from extracts of Escherichia coli was purified to homogeneity and subjected to NH2-terminal sequencing. Comparison of this sequence with all open reading frames in the GenBank data base… (More)